Easy Vegan Zucchini Lasagna (Low-Carb Recipe)

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Serve up at this delicious vegan zucchini lasagna during the holidays or anytime. It's healthy and low-carb and everyone will love it.

This vegan Zucchini Lasagna is sure to be a hit at your dinner table, and you don't have to be a low-carb eater to love it. It has all the flavors of your favorite lasagna, with just 14 net carbs per serving and 16 grams of protein. Smoky, grilled zucchini slices are layered over a tasty, veggie-packed marinara sauce with chunks of vegan sausage, a yummy tofu ricotta and vegan cashew parmesan cheese. No one will be able to resist, but you might not want to share!

Overhead shot of vegan zucchini lasagna in skillet.

I have another tasty low-carb recipe for you and it's one you simply will not be able to resist because who can say no to lasagna?

In this tasty vegan Zucchini Lasagna, ribbons of grilled zucchini zoodles replace lasagna noodles, cutting down on the carbohydrates and amping up the healthfulness.

But if you think this is a recipe strictly for health freaks, think again. My teen, who claims he is allergic to everything healthy, gobbled it up and took seconds. Which makes it certifiably everyone-friendly.

I made this recipe in a skillet just for the ease of it, but if you want a nicer presentation you can make it in a baking pan, as you would any lasagna.

The reason this recipe works is that there is no deprivation here. You have all the deliciousness of a classic vegan lasagna. The grilled zoodles are incredibly tasty and are perfect with the ricotta and marinara. The lasagna even slices nicely if you let it stand long enough, although keep in mind it won't set up as firmly as a regular lasagna. But it's all very delicious, and in the end that's all that matters.

Why you will love this Vegan Zucchini Lasagna

  • It's delicious. The smoky, grilled zucchini noodles are so good with the tofu ricotta and the cashew parm. The mozzarella on top melts into a golden-brown pool that adds texture and creaminess to every bite.
  • It's everyone-friendly. Like I said, if a picky teen who thinks Takis and Sprite should be the mainstays of his diet -- and tries every trick in the book to make it so -- can love it, who won't?
  • It's easy to make. It's a lasagna, so yes, there are a few steps involved, but this is not a difficult recipe by any means and even if you are new at this there is no reason you should not be able to make it with decent success. You can make this in a skillet, as I did, to reduce cleanup and hurry things up, but you can also just do the final layering in a baking dish for a nicer presentation.
  • It's healthy. Every serving has 282 calories, 16 grams of protein and six grams of fiber. And, if you're a low-carb eater, it has just 14 grams of net carbs, which is wonderful.
A serving of vegan zucchini lasagna in a black bowl with fork.

Ingredients

  • 3 medium zucchini. Cut them lengthwise in ⅓rd inch slices.
  • 1.5 tablespoon extra virgin olive oil. Half a tablespoon for the zucchini and the remaining for the marinara sauce.
  • 1 tablespoon garlic . Mince or chop it fine.
  • Vegetables: 1 medium onion, 2 medium carrots, 2 stalks celery. Chop or dice the veggies in a small dice, about the same size so they cook evenly together.
  • 14 oz vegan Italian sausage. I used Beyond but any vegan sausage is fine here. Break it with your fingers into large chunks.
  • 1 teaspoon oregano. Use 1 tablespoon if using fresh.
  • 1 teaspoon basil. Use 1 tablespoon if using fresh.
  • ½ to 1 teaspoon red pepper flakes. This is optional. You already have heat with the ground black pepper.
  • 28 oz plum tomatoes. I love San Marzano tomatoes in any marinara, but you can use plum tomatoes. Break the whole tomatoes in your finger and use the entire can, juices and all. 
  • Salt and ground black pepper to taste
  • ½ cup vegan parmesan cheese. I use my homemade parm linked here.
  • 4 oz vegan mozzarella shreds

For vegan ricotta

  • 14 oz extra firm tofu
  • 1 tablespoon nutritional yeast
  • 1 tablespoon lemon juice
  • 1 teaspoon oregano
  • 1 teaspoon garlic powder
  • ¼ cup parsley (chopped)
  • Salt and ground black pepper to taste

How to make Vegan Zucchini Lasagna

  • Rub some salt and pepper on the zucchini slices and toss with ½ tablespoon of olive oil.
  • Heat a grill pan and spray with cooking spray or brush with a little bit of oil. When hot, place the zucchini slices on it, in batches, and grill until fairly tender and until grill marks appear on both sides.
  • Make the tofu ricotta by placing all of the ricotta ingredients in a food processor. Process until you get a mixture with a ricotta-like texture.
  • Zucchini slices on grill pan.
  • Grilled zucchini slices.
  • Preheat the oven to 400 degrees Fahrenheit.
  • In a saucepan, heat the remaining 1 tablespoon of olive oil. Add the garlic and saute until light blonde and fragrant, a few seconds. Add the onions, carrots and celery with some salt and pepper and saute until the vegetables soften, about five minutes.
  • Garlic sauteing in olive oil.
  • Veggies cooking in skillet.
  • Add the vegan sausage and saute a couple of minutes.
  • Stir in the thyme and basil along with the red pepper flakes, if using. Then add the tomatoes with half a cup of water.
  • Mix well and bring to a boil. Let the sauce cook 15 minutes or until a bright orange. Add salt and ground black pepper if needed.
  • Chunks of sausage added to veggies in skillet.
  • Herbs added to vegetables in skillet.
  • Marinara sauce cooking.
  • Marinara sauce cooked
  • Turn off the heat and remove half the tomato sauce from the saucepan and set aside. If using a baking dish, transfer the remaining half of the sauce to the baking dish, spread evenly, and continue.
  • Over the tomato sauce remaining in the saucepan, layer on half the zucchini slices. Dollop the ricotta over it and spread it evenly. Top with half the vegan parmesan. Pour the remaining tomato sauce into the saucepan, spread evenly, then add another layer of the zucchini, ricotta and parmesan.
  • Sprinkle the mozzarella shreds on top.
  • Zucchini zoodles and cheeses layered over marinara.
  • Zucchini slices layered over marinara.
  • Layered vegan zucchini lasagna in skillet.
  • Place the skillet in the oven and bake 30 minutes. In last five minutes turn on the broiler on high so the cheese browns a bit.
  • Let the lasagna stand a few minutes. The longer you let it stand the more it will set, although it will not be as firm as a regular lasagna made with wheat noodles.
  • Garnish with fresh parsley, if desired. Slice and serve.
Front photo of cooked vegan zucchini lasagna in skillet.

More vegan low-carb recipes

Closeup of vegan zucchini lasagna in skilet.
Overhead shot of vegan zucchini lasagna in skillet.
Print

Vegan Zucchini Lasagna

This vegan Zucchini Lasagna has all the flavors of your favorite lasagna, with just 14 net carbs per serving and 16 grams of protein. Smoky, grilled zucchini slices are layered over a tasty, veggie-packed marinara sauce with chunks of vegan sausage, a yummy tofu ricotta and vegan cashew parmesan cheese.
Course Main Course
Cuisine Italian inspired
Diet Gluten Free, Vegan, Vegetarian
Keyword Vegan Zucchini Lasagna
Prep Time 15 minutes
1 hour
Total Time 1 hour 15 minutes
Servings 8 servings
Calories 282kcal

Equipment

  • Grill pan
  • Large, oven-safe saucepan

Ingredients

  • 3 medium zucchini (cut lengthwise into ⅓rd-inch slices)
  • 1.5 tablespoon extra virgin olive oil
  • 1 tablespoon garlic (minced)
  • 1 medium onion (finely chopped)
  • 2 medium carrots (finely diced)
  • 2 stalks celery (finely diced)
  • 14 oz vegan Italian sausage (broken into largish chunks)
  • 1 teaspoon oregano (use 1 tablespoon if using fresh herb)
  • 1 teaspoon basil (use 1 tablespoon if using fresh)
  • ½ to 1 teaspoon red pepper flakes (optional)
  • 28 oz plum tomatoes (or San Marzano tomatoes. Crush the tomatoes in a large bowl using your fingers)
  • Salt and ground black pepper to taste
  • ½ cup vegan parmesan cheese
  • 4 oz vegan mozzarella shreds

For vegan ricotta

  • 14 oz extra firm tofu
  • 1 tablespoon nutritional yeast
  • 1 tablespoon lemon juice
  • 1 teaspoon oregano
  • 1 teaspoon garlic powder
  • ¼ cup parsley (chopped)
  • Salt and ground black pepper to taste

Instructions

  • Rub some salt and pepper on the zucchini slices and toss with ½ tablespoon of olive oil.
  • Heat a grill pan and spray with cooking spray or brush with a little bit of oil. When hot, place the zucchini slices on it, in batches, and grill until fairly tender and until grill marks appear on both sides.
  • Make the tofu ricotta by placing all of the ricotta ingredients in a food processor. Process until you get a mixture with a ricotta-like texture.
  • Preheat the oven to 400 degrees Fahrenheit.
  • In a saucepan, heat the remaining 1 tablespoon of olive oil. Add the garlic and saute until light blonde and fragrant, a few seconds. Add the onions, carrots and celery with some salt and pepper and saute until the vegetables soften, about five minutes.
  • Add the vegan sausage and saute a couple of minutes.
  • Stir in the thyme and basil along with the red pepper flakes, if using. Then add the tomatoes with half a cup of water.
  • Mix well and bring to a boil. Let the sauce cook 15 minutes or until a bright orange. Add salt and ground black pepper if needed.
  • Turn off the heat and remove half the tomato sauce from the saucepan and set aside. If using a baking dish, transfer the remaining half of the sauce to the baking dish, spread evenly, and continue.
  • Over the tomato sauce remaining in the saucepan, layer on half the zucchini slices. Dollop the ricotta over it and spread it evenly. Top with half the vegan parmesan. Pour the remaining tomato sauce into the saucepan, spread evenly, then add another layer of the zucchini, ricotta and parmesan.
  • Sprinkle the mozzarella shreds on top.
  • Place the skillet in the oven and bake 30 minutes. In last five minutes turn on the broiler on high so the cheese browns a bit.
  • Let the lasagna stand a few minutes. The longer you let it stand the more it will set, although it will not be as firm as a regular lasagna made with wheat noodles.
  • Garnish with fresh parsley, if desired. Slice and serve.

Notes

  • To increase healthy fat in this recipe, use 2 tablespoon of olive oil to saute the veggies. To reduce fat, cut down the oil from 1 tablespoon to 1 teaspoon.
  • If you're soy-free, skip the tofu and use my vegan cashew ricotta from this vegan Instant Pot Lasagna recipe.
  • For the best results, make sure the vegan zoodles are of even thickness and are almost as tender as you'd like them in your final dish when you remove them from the grill pan.
  • If you'd like to use different herbs, use thyme instead of oregano and mint instead of basil.

Nutrition

Calories: 282kcal | Carbohydrates: 20g | Protein: 16g | Fat: 16g | Saturated Fat: 3g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Potassium: 762mg | Fiber: 6g | Sugar: 7g | Vitamin A: 3771IU | Vitamin C: 36mg | Calcium: 63mg | Iron: 2mg

The post Easy Vegan Zucchini Lasagna (Low-Carb Recipe) appeared first on Holy Cow!.

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